CHAPTER 19
µ
PD78P0208
377
User’s Manual U11302EJ4V0UM
19.3.2 PROM write procedure
Figure 19-3. Page Program Mode Flowchart
G = Start address
N = Last address of program
Start
Address = G
V
DD
= 6.5 V, V
PP
= 12.5 V
X = 0
Latch
Address = A 1
Latch
Address = A 1
Latch
Address = A 1
Latch
X = X + 1
0.1 ms program pulse
Verify
4 bytes
Address = N?
V
DD
= 4.5 to 5.5 V, V
PP
= V
DD
All bytes
verified?
End of write
Address = A 1
X = 10?
Defective product
Fail
All pass
Yes
Pass
Fail
No
Yes
Pass
No
Содержание mPD780208 Subseries
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